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Ammo 7mm-08 Rem Hornady Superformance 139 Grain GMX Bullets 2910 fps 20 Rounds 80576
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Brand: Hornady 80576
Item: 61129
UPC: 090255805765

Superformance ammunition is 100 to 200 fps FASTER than any conventional ammunition on the market today, and achieves this performance in EVERY gun, WITHOUT increases in felt recoil, muzzle blast, temperature sensitivity, fouling or loss of accuracy. Superformance provides increased performance, and is safe to use in ALL firearms, including semi-autos, lever gun and pump actions. Increases in rifle performance, no increases in barrel wear and felt recoil, along with superior temperature stability are all realized with Superformance ammunition.

The mono-metal Hornady GMX delivers a devastating terminal performance across a wide range of velocities. It's streamlined design offers ultra-flat trajectories while the gilding metal construction and double cannelures reduce fouling.

2910 fps muzzle
2613 ft/lbs. muzzle
2718 fps at 100 yards
2280 ft/lbs. at 100 yards
2534 fps at 200 yards
1982 ft/lbs. at 200 yards

Price is per 20 round box.


Non-returnable item. We will not accept any returns on this item.


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Customer Reviews

Most Helpful Customer Reviews

0 of 0 people found the following review helpful
1.0 Rating Hornady Superformance 7mm-08 - 7/18/2010
Reviewer: Perry
I'd been looking forward to shooting this new Superformance ammo. I purchased 2 boxes of the GMX and 6 boxes of the SST all in 7mm-08. It didn't take long to realize that the product does not live up to the marketing hype. The test guns were Weatherby Vanguard Sub MOA,Savage Classic 14, Browning BAR ShortTrac. The SST case pressure is to high and the Weatherby bolt was jammed shut after each round due to extreme and I think dangerous case pressure. The BAR was the only gun case pressure was not an issue due to it's gas operation. The Weatherby and Savage are both sub moa guns with handloads and 3 different factory loads yet average groups with the superformance GMX and SST were 2.7 inches GMX and 3.2 inches for the SST. Recoil was about 10% greater than standard factory loads as well. In hindsight I should have guessed this would be the outcome of these loads, you can't change the laws of physics,higher pressure and velocity = less accuracy and greater recoil.
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0 of 0 people found the following review helpful
1.0 Rating JOP4DIRT - 9/9/2010
Reviewer: JP
Fired 10 rounds of a 20 round box in a model 14 Savage, all primers show signs of very high pressure, 2 of which have holes punched all the way thru the face of the primer. Contacted Hornady, haven't received an answer yet. Accuracy was far below what I expected, 4 to 5 inches at 100 yds.
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Ammo 7mm-08 Rem Hornady Superformance 139 Grain GMX Bullets 2910 fps 20 Rounds 80576
Ammo 7mm-08 Rem Hornady Superformance 139 Grain GMX Bullets 2910 fps 20 Rounds 80576
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